This week at Walgreens, Emergen-C Energy+ is on sale for $11.99. Buy one box, and stack a $2.00/1 printable manufacturer coupon with a $2.00/1 store coupon from page 62 of the Walgreens August Savings Book. This free book is located at the front of the store with the weekly ads and is valid until 8/26. Later, submit your receipt for a new $2.00/1 Ibotta rebate offer. This offer can be redeemed up to three times per receipt. The final price is $5.99!